Bye, John E. Guide to Manuscripts and Archives. Fargo, N.Dak.: North Dakota Institute for Regional Studies, 1985. An index is available at www.discovernd.com/hist.

Collections of the State Historical Society of North Dakota. 7 vols. Bismarck, N.Dak.: North Dakota Historical Society, 1906–25. Volume 4 (1913) contains a transcription of the 1885 census for some counties.

Hennesey, W. B. Compendium of History and Biography of North Dakota. Chicago: George A. Ogle & Co., 1900.

———. History of North Dakota. Bismarck, N.Dak.: Bismarck Tribune, 1910.

Lounsberry, Clement Augustus. North Dakota History and People: Outlines of American History. 3 vols. Chicago: S. J. Clarke, ca. 1916.